Multiple Choice Identify the
choice that best completes the statement or answers the question.


1.

A milkshake is sipped through a straw at the noted pressure. The straw contains
13.0 mL of liquid. How much liquid is consumed at 0.092 atm?
a.  15.56 mL  c.  10.3 mL  b.  12.0 mL  d.  22.3 mL 


2.

Hospital patients are administered oxygen from an pressurized hyperbaric oxygen
chamber. 325.0 L of oxygen is compressed in a cylinder at 160.0 atm. What volume of oxygen can a
cylinder supply at the given pressure?
a.  6.09 L  c.  3.78 L  b.  8.87 L  d.  197.9 L 


3.

The volume of a sample of helium is 21.3 mL at 20.0°C and 203.0 kPa. What
will its volume be in the figure?
a.  10.65 mL  c.  8.27mL  b.  23.65 mL  d.  11.38 mL 


4.

Which law describes the proportional relationship between the pressure and
volume of a gas?
a.  Boyle’s Law  c.  GayLussac’s Law  b.  Charles’s
Law  d.  Natural
Law 


5.

The volume noted in the figure contains nitrogen gas under a pressure of 3.31
atm at 31.8 °C. Calculate the number of moles of nitrogen in the
tank.
a.  0.0391 mol  c.  1.26 mol  b.  0.0274 mol  d.  1.55 mol 


6.

A balloon is filled with 15.7 L of water at 24.0°C and 2.27 atm. The
balloon in the figure is placed outside on a hot day, what is the volume of the balloon (assuming
constant pressure)?
a.  22.24 L  c.  8.61 L  b.  7.29 L  d.  2.11 L 


7.

At an ocean depth of 10.0 m, a diver’s lung capacity is 3.10 L. The air
temperature is 32.0°C and the pressure is 101.30 kPa. What is the volume of the diver’s
lungs at the same depth, at a temperature of 21.0°C and a pressure of 141.20 kPa?
a.  1.36 L  c.  1.91 L  b.  1.45 L  d.  5.11 L 


8.

An ethylene gas torch requires 3200 L of gas at 7.30 atm. What will be the
pressure of the gas if ethylene is supplied by a 250.0 L tank?
a.  0.979 atm  c.  57.9 atm  b.  8.75 atm  d.  93.44 atm 


9.

Gas is confined in a metal tank in the figure. At 25.9 °C, the gas exerts a pressure of 8.532 atm. After heating the tank, the
pressure of the gas increases to 10.406 atm. What is the temperature of the heated gas?
a.  31.58°C  c.  114.50°C  b.  8.27°C  d.  19.33°C 


10.

Four liters of gas at atmospheric pressure is compressed into a 9.81L cylinder.
What is the pressure of the compressed gas if its temperature remains constant?
a.  34.22 atm  c.  0.4 atm  b.  0.74 atm  d.  7.91 atm 


11.

The _____ in a balanced equation specify volume ratios for gaseous reactants and
products.
a.  constants  c.  masses  b.  coefficients  d.  variables 


12.

A sample of oxygen gas has a volume of 150.0 mL when its pressure is .947 atm.
What will the volume of the be if the temperature remains constant and the pressure becomes 14
atm?
a.  151.09 mL  c.  338.9 mL  b.  10.1 mL  d.  578.8 mL 


13.

A sample of neon gas occupies a volume of 752 mL at 25°C. What volume will
the gas occupy at 90°C if the pressure remains constant?
a.  95.7 mL  c.  6743.9 mL  b.  820 mL  d.  2707.2 mL 


14.

A heliumfilled balloon has a volume of 50.0 L at 25°C and 7.21 atm. What
volume will it have at .855 atm and 10.0°C?
a.  9.7 L  c.  90.0 L  b.  48.8 L  d.  168.6 L 


15.

What quantity of gas, in moles, is contained in 7.21 L at STP?
a.  1.033 mol  c.  .953 mol  b.  .00546 mol  d.  .321 mol 


16.

What volume does 0.721 mol of gas occupy at STP?
a.  18.5 L  c.  9.03 L  b.  16.1 L  d.  170.5 L 


17.

What principle is illustrated in the figure?
a.  Boyle’s Law  c.  Ideal Gas Law  b.  Charles’s Law  d.  Scientific
Theory 


18.

A gas is confined in a steel tank with a volume of 6.982 L. At 7.21°C, the
gas exerts a pressure of 8.532 atm. After heating the tank, the pressure of the gas increases to
10.406 atm. What is the temperature of the heated gas?
a.  –30.0 °C  c.  8.79°C  b.  30.0 °C  d.  102.55°C 


19.

How many moles of helium gas are contained in a 7.21 L flask at STP?
a.  8.12 mol  c.  0.321 mol  b.  3.132 mol  d.  0.901 mol 


20.

A steel tank with a volume of 7.21 L contains N_{2} gas under a pressure
of 4.972 atm at 31.8 °C. Calculate the number of moles of N_{2} in the tank.
a.  0.078 mol  c.  3.044 mol  b.  1.43 mol  d.  29.1 mol 


21.

According to GayLussac’s law:
a.  pressure is inversely proportional to volume at constant
temperature.  b.  pressure is directly proportional to temperature at constant
volume.  c.  volume is inversely proportional to temperature at constant
pressure.  d.  volume is directly proportional to temperature at constant
pressure. 


22.

What volume of oxygen is needed to react with solid sulfur to form 10.0 L of
sulfur dioxide?
a.  100 L  c.  101 L  b.  10.0 L  d.  98.0 L 


23.

How many moles of steam are produced at 2.00 atm and 202.0°C by the
complete combustion of 7.21 L of methane gas?
a.  0.321 mol  c.  1.76 mol  b.  0.945 mol  d.  0.369 mol 


24.

Seven liters of gas at atmospheric pressure is compressed into a 0.85 L gas
cylinder. What is the pressure of the compressed gas if its temperature remains constant?
a.  0.308 atm  c.  8.23 atm  b.  5.97 atm  d.  9.33 atm 


25.

When a bicycle reaches the top of a hill with a tire volume of 0.80 L, the
atmospheric pressure is 7.21 atm. What is the maximum volume of air that can be filled in the tire
just before it bursts?
a.  3.81 L  c.  14.97 L  b.  0.56 L  d.  0.110 L 


26.

When a milkshake is taken in through a straw at a pressure of 0.071 atm, the
straw contains 7.21 mL of liquid. How much liquid is consumed at 0.092 atm?
a.  0.367 mL  c.  71.3 mL  b.  5.56 mL  d.  4.72 mL 


27.

In a hospital, oxygen is administered to patients at 3.0 atm in a hyperbaric
oxygen chamber. Oxygen gas, measuring 721.0 L, is compressed in a cylinder at 160.0 atm. What volume
of oxygen can a cylinder supply at the given pressure?
a.  78.3 L  c.  22.8 L  b.  13.51 L  d.  53.1 L 


28.

A 7.21 L balloon is filled with water at 2.27 atm. If the balloon is squeezed
into a 0.80 L beaker and does NOT burst, what is the pressure of water in the balloon?
a.  12.77 atm  c.  44.3 atm  b.  0.003 atm  d.  20.4 atm 


29.

A balloon is filled with 7.21 L of water at 24.0°C and 2.27 atm. If the
balloon is placed outdoors on a hot day at a temperature of 34.0°C, what is the volume of the
balloon at constant pressure?
a.  10.2 L  c.  37.4 L  b.  48.2 L  d.  5.92 L 


30.

The volume of a sample of helium is 7.21 mL at 20.0°C and 203.0 kPa. What
will its volume be at 10.0°C and 203.0 kPa?
a.  7.6 mL  c.  3.6 mL  b.  11.6 mL  d.  18.32 mL 


31.

The volume of a 33g sample of methane gas is 22.8 L at 40.0°C and 4.00
atm. What will its volume be at 68.0°C and 4.00 atm?
a.  0.43 L  c.  12.5 L  b.  0.75 L  d.  27.3 L 


32.

A 7.21L sample of fluorine is heated from 90.0°C to 186.0°C. What
volume will the sample occupy at the higher temperature?
a.  20.5 L  c.  76.5 L  b.  14.9 L  d.  31.0 L 


33.

A welding torch requires 3200 L of ethylene gas at 3.00 atm. What will be the
pressure of the gas if ethylene is supplied by a 305.0L tank?
a.  0.321 atm  c.  24.3 atm  b.  2.34 atm  d.  31.4 atm 


34.

The volume of a gas is 7.21 L at 30.0°C and 1.00 atm. What volume will the
gas occupy if the temperature is raised to 134.0°C at constant pressure?
a.  0.581 L  c.  21.3 L  b.  32.2 L  d.  7.55 L 


35.

A sample of carbon dioxide occupies a 7.21 ml container at STP. What is the
volume of the gas at a pressure of 5 atm and a temperature of 26.0°C?
a.  7.01 ml  c.  18.2 ml  b.  1.5 ml  d.  0.321 ml 


36.

A diver finds the best corals at a depth of approximately 10.0 m. The
diver’s lung capacity is 3.30 L. The air temperature is 32.0°C and the pressure is 101.30
kPa. What is the volume of the diver’s lungs at 10.00 m, at a temperature of 21.0°C, and a
pressure of 141.20 kPa?
a.  1.73 L  c.  2.98 L  b.  1.55 L  d.  16.4 L 


37.

One liter of a gas has a pressure of 79 kPa at 25.0°C. If the pressure
increases to 600.0 kPa and the temperature to 100.0°C, what would be the new volume of the
gas?
a.  0.52 L  c.  5 L  b.  0.027 L  d.  3 L 

Short Answer


38.

An oxygen canister in a climbing camp high on Mount K2 has a pressure of 5.00
atm at 25°C. If the temperature falls to 10°C, what is the new pressure inside the
canister?


39.

The scuba diver in the figure blows an air bubble 10 m underwater. As it rises
to the surface, the pressure decreases from 2.25 atm to 1.03 atm. What will the volume of air in the
bubble at the surface?

Problem


40.

If the pressure exerted by a gas at 27.0°C in a vessel of volume 0.050 L is
4.00 atm, how many moles of the gas are present?
